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Encyclopedia of Essential Oils: The complete guide to the use of aromatic oils in aromatherapy, herbalism, health and well-being

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This is one of the bestselling aromatherapy books of all time with vital information on plant origins, medical herbalism and the properties and actions of herbs and essential oils. It covers 165 oils, their actions, characteristics, principal constituents and folk traditions and is a must for experienced aromatherapists and beginners alike.


This essential handbook is used by aromatherapists all over the world and is one of the most successful titles in this area. It includes an A–Z listing of an enormous range of internationally relevant aromatic plants. Comprehensive information is provided for each entry, for example:


• Common name, Latin name, botanical plant family
• General Description – what it looks like
• Distribution – where it’s found
• Herbal Folk Tradition – traditional uses
• Actions – what it’s good for
• Extraction – How the oil is extracted
• Characteristics – what the oil looks like, and which other oils it blends well with
• Safety Information.


The Encyclopedia also covers:
• History of aromatherapy and herbalism
• How aromatic plants work on your body mind
• How to make your own blends
• Uses for oils in the home.


This is a classic guide to essential oils and will remain a vital source of information for generations to come.

256 pages, Paperback

First published January 1, 1992

263 people are currently reading
2066 people want to read

About the author

Julia Lawless

61 books12 followers

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5 stars
476 (45%)
4 stars
330 (31%)
3 stars
188 (18%)
2 stars
42 (4%)
1 star
6 (<1%)
Displaying 1 - 30 of 52 reviews
Profile Image for Michelle.
2 reviews3 followers
January 13, 2013
Beautiful book, pleasure to view, but contains erroneous information. Author often draws conclusions about therapeutic properties of essential oils based on data from herbalism, not aromatherapy. Essential oils can have radically different therapeutic properties than their parent plant matter. Enjoyable as an introductory book but not accurate enough to serve as an aromatherapy reference.
Profile Image for Jaime.
667 reviews59 followers
July 13, 2015
A good beginners guide to Essential Oils, i really like the guide at the back where you can check which oils are used for something like a headache or muscle pain instead of searching through each oil looking for the right one. I will probably read a few other books on essential oils not just this one. And i was slightly disappointed to see no blend recipes. I prefer to use natural remedy's if i can instead of chemical filled pills that only do more harm than good. But this is definitely a book i will keep close by.
Profile Image for Jessica.
23 reviews6 followers
December 22, 2008
good to have on the shelf as a general reference. i would have preferred greater standardization of the formatting within the EO profiles--keep the same colored boxes for the same tidbits. it's layout is similar to most DK Eyewitness books. the EO profiles are not in alphabetical order per common names which is another sticking point for me.
Profile Image for Emilija.
1,902 reviews31 followers
July 24, 2018
This was a good beginners guide to essential oils. I really liked the guide about the different oils, and the brief history of essential oils given at the beginning of the book.
Profile Image for Paige Vanderbeck.
Author 8 books408 followers
November 27, 2017
I found this book to be incredibly helpful and FULL of information. I mean, there’s stuff in here I didn’t even know I needed to know. Before it gets into the individual oils it begins with history and folklore about aromatics and oils, covers safety topics, explains aromatherapy and alchemy, and even explains how essential oils are made and how they can be used. It talks about flower waters, facial steams, baths, and lotions and the type of oils to use depending on some basic uses.

If you’re worried about being a super beginner who can’t read latin names or botanical classifications, the book has you covered! I kept the full glossary of terms at the back of the book marked so I could flip back to it while reading and it really helped.

The actual oils are all presented in encyclopedia format in alphabetical order and include botanical information, synonyms, distribution and location info, herbal and folk traditions, extraction, uses, safety data and even the chemistry of the oil itself. It’s easy to search by going alphabetically, or looking it up in the index in the back. You can also quickly search for specific oils based on their uses or even health conditions.

I’m not an expert at using oils for health or aromatherapy just because I read it, but this is one I can definitely see me using as a regular reference book going forward and I recommend it to anyone who works with essential oils already or is just starting out.
Profile Image for Saleris.
374 reviews55 followers
March 13, 2011
It's a nice book to keep on a shelf when you're not having a good day remembering basic information. If you're a beginner, it's a good book to buy. If you're a professional, you won't want this book unless you're the type that wants all the books on aromatherapy "just because".
80 reviews2 followers
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August 24, 2025

"At last a clear and systematic distillation of useful information about a truly comprehensive spectrum of essential oils and absolutes.



" --John Steele, American Aromatherapy AssociationThe definitive AZ reference guide to essential aromatherapy oils. Aromatherapy expert Julia Lawless shares her extensive knowledge in this detailed and systematic survey of more than 190 essential aromatherapy oils. From commonly used oils such as lavender, frankincense, ylang ylang, and tea tree oils to the more obscure oils including deertounge, oakmoss, cananga, and angelica, The Encyclopedia of Essential Oils offers a wide variety of uses and cures for everything from wrinkles to kidney stones.



The Encyclopedia of Essential Oils gives detailed information on the most commonly available and widely used flower oils and aromatics including:The exact origins, synonyms, and related plantsMethods of extractionthe herbal/folk tradition for each plantthe uses of each plantaromatherapy applicationshome and commercial usesThis easy-to-use volume lets you access essential information in a variety of ways with a Therapeutic Index, a Botanical Index, and Botanical Classifications, plus safety information.

Profile Image for Dane.
150 reviews7 followers
January 31, 2017
This is supposed to be the best reference book on the topic that you can get, but I find it hard to work with; the oils are listed alphabetically by their genus names rather than their common names, and you 'd have to pick one by one, oil by oil, through the book for which ones do what. Not the most user-friendly guide I could imagine.
30 reviews
June 4, 2022
A fantastic book if you want to primarily use essential oils, with a little reference to the plant as a whole. I enjoyed reading the historical sections about how past civilizations used herbs and am looking forward to learning more in the subject of herbalism.
15 reviews1 follower
May 31, 2017
Good info on eo's, but uses under-defined terms and processes
Profile Image for Betsy Murphy.
169 reviews
October 3, 2017
its has great info on plants should be a second book to get after the Wiccan Bible . I knew some about the oils .
Profile Image for Hanako.
813 reviews2 followers
December 20, 2017
This has a ton of information and will be a great reference - though it's not really something you sit and read through. Will be great to look up info about different oils though.
Profile Image for Terri Palermo.
1,194 reviews32 followers
March 14, 2018
Probably one of the original (and therefore reads a bit dated) basic handbooks for oils. A great foundation but I know there are more recently written guidebooks with updated information.
Profile Image for Sandra Bloom.
Author 14 books17 followers
June 12, 2018
This book is a must have for practitioners of natural healing. It is complete and easy for anyone to understand.
11 reviews
June 9, 2019
Would be lost without this book. Easy to access information, excellent guidelines, user friendly. One of my personal favorites
Profile Image for Kenna.
Author 5 books18 followers
February 25, 2021
I have turned to this simple and beautifully presented book for nearly two decades. It’s easy to use, informative, and makes understand and using essential oils simple.
Profile Image for Sarah Mackintosh.
60 reviews7 followers
March 13, 2017
I thought this was really informative, and I liked the brief history that they author shared. A good reference.
Profile Image for Simone.
4 reviews
May 16, 2018
Very informative but a seems slightly outdated. an updated version would be great
Profile Image for Lea.
2,841 reviews59 followers
November 9, 2014
This illustrated encyclopedia is wonderful. I particularly enjoy the photos and sketches of the plants and the photos of the color of the essential oils. This adds a wealth of information that is not available in other texts.

This book is in three parts: An Introduction to Aromatics, Therapeutic Index and The Oils. The first section gives the reader and introduction to aromatherapy including history and how essential oils work with the systems of the body. There is a wealth of information and each topic is briefly covered, with references. The second section gives a therapeutic index grouped by systems of the body, with an abbreviation guide for suggested applications. The final section covers 165 essential oils. This is the most fascinating to me. It includes color photos and sketches with a description of the leaves, fruits and other plant material. We also receive a brief description of herbal and folk tradition, aromatherapy/home use, other uses, distribution and other species information. This section is the main reason I enjoyed this book so much.

Overall, I would recommend this book for readers who love aromatherapy and want to learn more about particular essential oils. I also feel it's important to have other more recently written and published essential oils books to cross reference with for updated safety information.

I have ISBN 1-85230-661-0 from Element Books, Inc. 1997.
129 reviews1 follower
January 5, 2014
contains history of herbal and essential oil usage (including a welcome disclaimer regarding the term aromatherapy), how oils affect bodily systems, summary of various oil applications with guidelines, blending tips and extraction information. the main bulk of the book is an extensive list of oils with biological data, plant description and distribution, historical use, oil properties and safety info (including blending tips), and general application tips. a therapeutic index lists ailments with possible oils and methods of treatments. a botanical classification shows how oils are related. while i appreciate the methods being grouped together, rather than repeating the same formulas under massage oil, bath oil, etc, the oil encyclopedia, and the therapeutic index, the information seems difficult to gather and requires much cross referencing. after looking up a complaint, one has to jump to the specific oils then the methods section. Modern Essentials: A Contemporary Guide to the Therapeutic Use of Essential Oils by Aroma Tools has the same information (perhaps not the botanical section) in a more accessible format, and with additional information - although with a heavy bias towards doterra products.
Profile Image for Shirley.
472 reviews46 followers
November 24, 2013
Julia Lawless has written a concise encyclopedia of essential oils. I was delighted to receive my copy as part of a Goodreads giveaway.

I enjoyed the first six chapters that introduce the reader to the history of aromatherapy and to the present day applications for therapeutic use. There is a therapeutic index and general glossary that readers will find useful at the end of the book.

I appreciated the laymen's descriptions under each oil on their uses. I was a sometimes overwhelmed by the terminology of the "Actions" of each oil. Clove for example is an "... antihelmintic,antibiotic, anti-emetric, antihistiminic, anti-heumatic, antineuralgic, anti-oxidant, antiseptic, antiviral, aphrodisiac, carminative, counter-irritant,expectorant,larvicidal, spasmolytic,stimulant,stomachic, vermifuge. (p. 84) Thankfully, most of these terms were covered in the glossary.

I am very pleased with my copy of the very extensive and professionally written The Encyclopedia of Essential Oils.
Profile Image for Susan Brougher.
Author 4 books88 followers
May 6, 2016
It is hard to find an accurate reference for essential oils that also incorporates the herbal/folk tradition. It provides a broader education for those practicing aromatherapy, going a step beyond the many available essential oil and aromatherapy books. The beautiful plant pictures and the layout with different colored sections highlighting the information made it an easy enjoyable read, not to mention a wonderful keepsake. This book includes essential oils for body systems, mind, and emotions along with therapeutic guidelines, methods of application, and safety data. A perfect book to use in conjunction with others that cover combining essential oils in formulas. I have used this book over the years and as a nurse, aromatherapist, and energy healer I highly recommend it. Works well for class instruction too.
Profile Image for Wendy Hudson.
301 reviews20 followers
January 1, 2014
I received a copy of this book from a GoodReads contest/giveaway. Book offers a good number of plants and their botanical classifications. It also has a separate section which lists which of them can be used to treat common and not so common problems in the body. However, this book alone will not help you with essential oils. There are no recipes or anecdotes. Book is in black and white. Colored pictures or drawings would help with identifying plants in the wild.
Displaying 1 - 30 of 52 reviews

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